BY THE NUMBERS

U.S. stock futures bounced Wednesday, one day after a broad tech-led sell-off sent the Nasdaq down nearly 2%. The S&P 500 dropped almost 0.7%. The Dow Jones Industrial Average — down more than 300 points, or roughly 1%, at one stage — finished up 19 points. (CNBC)

Stocks hit their lows of Tuesday's session after Treasury Secretary Janet Yellen said interest rates may have to rise somewhat to keep economy from overheating. Later in the day, the former Fed chief tempered her remarks, saying she respects the central bank's independence and stressed she was not trying to influence monetary policy. (CNBC)

U.S. companies added a fewer-than-expected 742,000 jobs in April, according to ADP's monthly private sector employment report. The March figured was revised higher to 565,000 additions. However, the ADP data has not recently been a great indicator of what the government's monthly employment report might show. The April jobs numbers are coming out Friday. (CNBC)

* Mortgage demand stalls as rates rise, fierce competition hurts home sales (CNBC)