This index signaled two crashes-and it's falling again By: CNBC.com News October 29, 2015 at 12:51 PM EDT Stocks with big buyback programs are falling behind the S&P 500, and one technician says the underperformance is starting to look like 2000 and 2007. Read More >> Related Stocks: Apple Exxon Mobil Intel Corp International Business Machines Merck & Co Microsoft Oracle Corp Sentinelone Inc Cl A Twenty-First Century Fox