US STOCKS-Wall St rises as oil prices recover
* Fed's monetary policy meet starts Tuesday
* Oil prices rise about 1 pct
* GM up after MS upgrades to "overweight"
* Indexes up: Dow 0.50 pct, S&P 0.45 pct, Nasdaq 0.43 pct (Updates to open)
By Yashaswini Swamynathan
Sept 19 (Reuters) - U.S. stocks were higher on Monday as oil prices bounced back from multi-week lows and investors expected the Federal Reserve to leave interest rates unchanged at its meeting this week.
Oil prices rose about 1 percent after Venezuela said OPEC and non-OPEC producers were close to a deal to stabilize an oversupplied market.
The S&P 500 energy index rose 0.69 percent, recouping some losses after hitting a six-week low last Wednesday.
The Fed's two-day meeting starts on Tuesday in which policymakers will debate over the U.S. economy and its ability to absorb a rate hike. Fed Chair Janet Yellen is scheduled to conclude the meeting with a press conference at 2:00 p.m. ET (1800 GMT) on Wednesday. Continuación...