Wall Street lower as earnings from some big names disappoint

By Tanya Agrawal (Reuters) - Disappointing corporate results from several heavyweights dragged down Wall Street as investors looked for clues regarding the timing of the next interest rate hike ahead of a Fed meeting next week. 3M fell 3 percent to $165.03 after the maker of Scotch tape and Post-it notes trimmed its full-year revenue and earnings forecasts for the second time. The stock was the biggest drag on the Dow. Whirlpool fell 10.5 percent to $152.60 after the home appliances maker's reve