Level 1 — Absolute Beginner

The stock market went up on Monday, October 5. The Nasdaq hit a record high.

Nvidia is a big chip company. Its stock also hit a record high. It helped the Nasdaq go up.

But bond yields also went up. The 10 year yield is now 5.31 percent. That is very high.

stock

A small part of a company that people can buy.

record

The best number ever.

chip

A tiny part inside a computer.

bond

A loan that people buy from a government.

yield

The money you earn from a bond.

percent

A part of 100.

market

A place to buy and sell.

high

Far above normal.

Level 2 — Elementary

Wall Street ended Monday with gains. The Nasdaq Composite rose about 1 percent to 27,477, a new record close and its first record since May. The S&P 500 gained about 0.7 percent to 7,774, and the Dow rose about 0.2 percent to 51,268.

Nvidia led the way. The AI chip maker hit an all-time high, and big technology stocks pulled the whole market up.

Not everything was good news. The yield on the 10 year Treasury rose about 3 basis points to 5.31 percent, close to its highest level since 2002. The 20 year yield reached a new 52-week high of about 5.72 percent. Investors also looked at new economic data and waited for the start of earnings season.

close

The price at the end of the trading day.

Treasury

The bonds sold by the United States government.

all-time high

The highest level ever reached.

basis point

One hundredth of one percent.

earnings season

The weeks when companies report their profits.

investor

A person who puts money into something to make more.

composite

Made of many parts.

gain

A rise in value.

Level 3 — Intermediate

Wall Street finished higher on Monday as technology shares pushed the Nasdaq Composite to a record close and investors largely brushed aside rising bond yields. The Nasdaq climbed about 1 percent to 27,477, its first record since May, the S&P 500 added roughly 0.7 percent to 7,774, and the Dow Jones Industrial Average edged up about 0.2 percent to 51,268.

The engine of the rally was Nvidia, the artificial intelligence chip heavyweight, which hit an all-time high and carried the broader tech sector with it. The gains came despite a firm reading on manufacturing activity from the Institute for Supply Management, which nudged yields higher rather than lower.

Indeed, the bond market told a different story. The 10 year Treasury yield rose about 3 basis points to 5.31 percent, hovering near levels last seen in 2002, while the 20 year yield touched a fresh 52-week high near 5.72 percent. Higher yields raise borrowing costs for households and companies and usually weigh on richly valued shares.

Analysts pointed to unease about economic conditions in Europe and to the approach of third-quarter earnings season. For now, however, investors appear willing to pay up for the companies seen as winners from AI, even as the return on safe government debt becomes harder to ignore.

brushed aside

Chose not to worry about something.

heavyweight

A very large and powerful company or person.

rally

A period of rising prices.

nudged

Pushed gently.

borrowing costs

The price of taking a loan.

richly valued

Priced very high compared to earnings.

unease

A feeling of worry.

pay up

Accept a high price.

Level 4 — Advanced

US equities extended their advance on Monday, with the Nasdaq Composite closing at a record of 27,477, up about 1 percent and its first such high since May, while the S&P 500 gained roughly 0.7 percent to 7,774 and the Dow added about 0.2 percent to 51,268. Leadership was narrow and unmistakable: Nvidia, the bellwether of the artificial intelligence build-out, struck an all-time high and dragged the broader technology complex with it.

The ascent unfolded against an awkward backdrop. A firm reading from the Institute for Supply Management pushed Treasury yields higher, with the benchmark 10 year note rising about 3 basis points to 5.31 percent, within sight of its highest level since 2002, and the 20 year yield printing a fresh 52-week high near 5.72 percent.

In ordinary circumstances, a long-dated yield at that altitude exerts gravity on equity valuations, since it raises both the discount rate applied to future profits and the return on risk-free alternatives. That investors are looking through it suggests conviction that AI-related earnings can outrun the cost of capital, a bet that the coming third-quarter reporting season will either vindicate or puncture.

Complicating the calculus are unsettled signals from the euro area. Should European weakness spill over into global demand, or should yields climb further, the market's current narrowness could prove a vulnerability rather than a strength.

bellwether

Something that signals future trends.

build-out

The expansion of infrastructure or capacity.

benchmark

A standard used for comparison.

discount rate

The rate used to value future money in today's terms.

risk-free

Having almost no chance of loss.

conviction

A firm belief.

vindicate

Show that something was right.

narrowness

Dependence on only a few leaders.