Earnings deluge could support new index highs By: CNBC.com News April 22, 2015 at 18:45 PM EDT Investors will eye more earnings amid the possibility of a breakout in stocks to record levels on Thursday. Read More >> Related Stocks: 3M Co Amazon.com Caterpillar Eli Lilly Facebook General Motors Google, Inc. Microsoft PepsiCo Procter & Gamble