Here is what you need to know.

Jerome Powell testifies before Congress. Federal Reserve Chairman Jerome Powell kicks off his semiannual Humphrey-Hawkins hearing on Tuesday, appearing before the House Financial Services Committee. He will conclude Thursday with the Senate Banking Committee.

Morgan Stanley has a new market outlook that defies both Goldman Sachs and Warren Buffett. Morgan Stanley says the worst of the bond market sell-off is over, conflicting with bearish commentary floated by both Goldman Sachs and the billionaire investor Warren Buffett.

New-home prices in China’s largest cities keep falling. New-home prices in China’s largest cities continued to fall in January, weighed down by a raft of buying and selling restrictions introduced by regulators from late 2016 to curb speculative activity in these markets.

Prosecutors demand a 30-year prison term for former South Korean President Park Geun-hye. If found guilty of charges including bribery and abuse of power, Park would be the third South Korean president convicted of crimes, the Associated Press says.

Warren Buffett offers his 'strongest argument' against a practice investors are doing in record numbers. Margin-debt balances - loans individual investors take from their brokers to beef up their portfolios and maximize returns - rose to a record $665.72 billion in January, according to data from the Financial Industry Regulatory Authority.

50 Cent reportedly told bankruptcy court he never owned bitcoin. The rapper 50 Cent apparently told bankruptcy court that media reports "falsely stated" he made $8 million in bitcoin and that he had "never owned, and does not own, a bitcoin account or any bitcoins, and to the best of his knowledge, none of his companies had a bitcoin account from 2014 to the present."

Comcast opens a bidding war for Sky with a surprise offer. Comcast announced its bid Tuesday, offering £12.50 ($17.46) a share, or £22.1 billion ($30.7 billion). That represents a 16% premium to an offer from Disney.

Stock markets around the world trade mixed. Japan's Nikkei (+1.07%) outperformed in Asia, and Germany's DAX (-0.16%) trails in Europe.

Earnings reports keep coming. Macy's and Toll Brothers report ahead of the opening bell, while Weight Watchers releases its quarterly results after markets close.

US economic data is heavy. Durable-good orders will be released at 8:30 a.m. ET before S&P home price and consumer confidence cross the wires at 9 a.m. ET and 10 a.m. ET. The US 10-year yield is up 1 basis point at 2.87%.