 Wall Street mostly flat as traders wait on key inflation data and earnings this week. All three major indexes relatively unchanged yesterday. The Dow Jones Industrials finished down more than 30 points. The S&P mostly flat. The Nasdaq up just 50 points. June CPI and PPI reports coming Thursday and Friday. Meanwhile, second quarter earnings season kicking off in a big way Friday. Key updates from Wells Fargo, JPMorgan Chase, Citigroup and others.