Amazon.com Inc (NasdaqGS: AMZN) surged after announcing a stock split and share buyback plans, lifting consumer discretionary sector-related exchange traded funds. On Thursday, the Consumer Discretionary Select Sector SPDR (NYSEArca: XLY) rose 0.6%, the Vanguard Consumer Discretionary (NYSEArca: VCR) gained 0.6%, and the Fidelity MSCI Consumer Discretionary Index (NYSEArca: FDIS) was up 0.7%.