Federal Reserve Chairman Kevin Warsh said the economy has strengthened, financial conditions can't be called restrictive and he's focused on bringing inflation down to the 2% target. After the hawkish-sounding commentary, Wall Street boosted odds of a Sept. 16 rate hike, lifting Treasury yields and taking some wind out of the recent rally in the gold and bitcoin price. Recent developments since the July 29 Fed meeting raised the stakes for Warsh's talk.