S&P futures are pointing to a higher opening on Monday morning, following a 3.47% gain last week. The upward movement is being boosted by a gain in China’s manufacturing sector, which signals global recovery to some investors, even as General Motors officially files for Chapter 11 bankruptcy protection. Stocks could be pushed in any direction this week though, as plenty of heavy data have the potential to sway markets. On Monday the major release is the ISM Manufacturing index, a nationwide...