Wall Street clocked solid gains after a strong reading on private payrolls bode well for the official jobs number out at the end of the week. Investors were also optimistic ahead of the afternoon release of Federal Reserve meeting minutes. Activity outside the manufacturing sector grew at a slower pace than anticipated in March. The ISM non-manufacturing index dipped following a decline in the growth of new orders and employment. Crude oil prices gave back most of their gains after a reading from the Energy Information Administration showed an unexpected rise in domestic inventories over the past week. Stockpiles increased by 1.6 million barrels. Monsanto (MON) rose after blowing past profit and sales estimates over its recent quarter. The agricultural chemicals company is currently undergoing a $66 billion buyout from Bayer.