The S&P 500 has gained for three consecutive months, coming on the heels of its first three-month losing streak in more than four years.

Stocks rising ahead of Yellen speech. U.S. stocks are tracking higher to start the week.

After closing above 2,100 for just the third time this year yesterday, the S&P 500 is now up 3.0% for the year and only 1.2% away from a new all-time high.

Stocks turn lower; gold, Treasuries jump after jobs report miss.

The S&P 500 Index is back up against the 2,100 level, and once again, it is acting as firm resistance.

Global markets drift amid uneventful OPEC, ECB meetings.