US STOCKS-Wall St stumbles as discretionary stocks weigh
* June consumption up 0.4 pct vs estimated 0.3 pct
* Personal income up 0.2 pct vs estimated 0.3 pct
* U.S. crude falls back below $40 a barrel
* Indexes down: Dow 0.61 pct, S&P 0.75 pct, Nasdaq 1.02 pct (Updates to late afternoon, changes byline)
By Chuck Mikolajczak
NEW YORK, Aug 2 (Reuters) - Wall Street fell on Tuesday, with each of the major indexes on track for their worst day in over a month, as economic data and weaker than expected auto sales spurred growth concerns.
Shares of Ford and General Motors dropped more than 4 percent each after the two major U.S. automakers reported July vehicle sales slightly below expectations.
The declines in the automakers pulled the S&P consumer discretionary sector down 1.5 percent as the worst performing of the 10 major S&P groups.
Data showed U.S. consumer spending rose more than expected in June as households bought a range of goods and services. Continuación...