 |  | | Low U.S. inflation? It's your phone: BlackRock bond manager |  | | NEW YORK (Reuters) - Americans' love of their smartphones and apps may be contributing to the sluggish pace of inflation that is worrying Wall Street and the Federal Reserve, a top bond manager at BlackRock, the world's biggest asset manager, said on Wednesday. | |  |  |  | | Gundlach says flatter Treasury yield curve could become a concern |  | | NEW YORK (Reuters) - The U.S. Treasury yield curve flattening could become a concern for economic growth when two-year and three-year Treasury note yields are about the same, and the price per barrel of WTI crude oil falls into the $30-dollar range, said Jeffrey Gundlach, chief executive at DoubleLine Capital, on Wednesday. | |  | |  |  | | |  |  | Related News | |  | | |  | | |  |  |  |  |  | | A daily digest of breaking business news, coverage of the US economy, major corporate news and the financial markets. Register Today |  | |  | | » » MORE NEWSLETTERS |  | |