For Tuesday July 28, TheStreet highlights the Federal Open Market Committee meeting, the key earnings reports and economic data to watch on Wall Street. On the earnings front, it’s another busy day. The notable companies reporting their latest quarterly earnings include Merck & Co (MRK), Pfizer (PFE), Gilead Sciences (GILD), Ford Motor Co (F), United Parcel Service (UPS), Twitter (TWTR), DuPont (DD), Panera Bread (PNRA), and Buffalo Wild Wings (BWLD). On the economic calendar we note the Rebook, the S&P Case-Shiller home price index, the flash services PMI , and the consumer confidence level. TheStreet's Kurumi Fukushima reports in New York.