The ongoing Bitcoin crash has claimed a major casualty: BlackRock (NYSE: BLK). Yes, the world's largest asset manager recently suffered its worst-ever rout when its spot Bitcoin exchange-traded fund (ETF) saw the largest sell-off in a single day.

The U.S. stock market is rising ahead of a huge couple of tests for Wall Street. The S&P 500 added 0.4% Wednesday after trimming an earlier jump of 1.1%.

Wall Street finished Tuesday's trading session to the downside on a day that watched the Nasdaq Composite plunge as much as 2%.

Warnings about Wall Street's excessive optimism, concentration risk, and frothy valuations have fallen on deaf ears for most of this year, leaving market-watchers wondering what, if anything, will cool the tech and artificial intelligence frenzy.

Rigetti Computing has been one of the most popular quantum computing stocks over the last year. While shares of Rigetti posted big gains over the last 12 months, the stock appears to be entering a downward spiral.

Nvidia's earnings report is "the last major broad catalyst" for the market until the Federal Open Market Committee meets on Dec. 10 to decide whether or not to cut interest rates, Ryan Lee, senior vice president of product and strategy at Direxion,

Nvidia reported quarterly results that handily topped Wall Street expectations, sending the stock sharply higher in after-hours trading.