European and U.S. equity futures rose, signaling benchmark indexes may rebound from a six-week low, and the yen weakened after ratings companies affirmed America’s credit grades. Asian stocks swung between gains and losses, while India’s rupee fell to a record. Euro Stoxx 50 Index futures increased 0.9 percent at 4:06 p.m. in Tokyo. Standard & Poor’s 500 contracts added 0.5 percent, after the U.S. stocks gauge sank 1.9 percent yesterday. The MSCI Asia Pacific Index was little changed. The yen slipped against 15 of its 16 major peers and the Indian rupee weakened past 52.18 a dollar, a level last seen in 2009. Copper rallied for the first time in four days and gold advanced 0.5 percent.