U.S. stock futures tick higher ahead of data By: MarketWatch December 24, 2008 at 06:02 AM EST U.S. stock futures point to slight gains for shares on Wednesday ahead of more data on the economy in a holiday-shortened week. Read More >> Related Stocks: Dow Jones Industrial Average (EOD) Starbucks Corp Toyota Motor Corp Ltd Ord ADR Wal-Mart Stores, Inc.