Questions have been rising about whether such AI superstar stocks can add more to their already spectacular gains.

Futures are flat this morning.At the moment, the S&P 500 is up about a point. The Dow is up about 27 points, with the NASDAQ fighting to stay green.

An equity-implied credit spread is calculated from a host of data from other markets, such as derivatives and interest rates, which is then applied to stocks to determine credit risk. It should rise and fall largely in tandem with risk premiums in the actual credit market.

The S&P 500 slumped 1.6% last week — but bad first weeks in November usually don’t hang over the stock market.

Range reports on market momentum and fundamentals, urging caution as signs of speculation and volatility emerge despite strong YTD gains.

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Here are some of the stocks making notable moves in Thursday's premarket action: Cisco Systems shares are up nearly 7% after the network-equipment and services group [delivered a strong earnings beat

The Dow is rising, while the S&P 500 and Nasdaq are down as the stock market awaits an end to the government shutdown.

Investors are having flashbacks to Meta's spending increases to support its metaverse ambitions from a few years ago.