US stocks open lower as Street weighs earnings By: CNBC.com News April 23, 2015 at 09:29 AM EDT U.S. stocks opened lower on Thursday as investors eyed a heavy day of earnings and some economic data. Read More >> Related Stocks: 3M Co A O Smith Ord Shs Altera Corp Amazon.com American Airlines Gp Astrazeneca Plc ADR Cabot Oil & Gas Capital One Financial Caterpillar General Motors Google, Inc. Juniper Networks Microsoft Newmont Mining PepsiCo Starbucks Corp Xerox Corp