Bolsa, mercados y cotizaciones
Stock futures rise ahead of Fed decision
* A strengthening U.S. economy is expected to trump global economic worries and the Fed is seen likely to signal they are still on track to raise rates.
* As oil prices continued to fall, the Fed is expected to make a reference to a potential currency crisis in Russia. The rouble has weakened more than 40 percent against the U.S. dollar in the last four weeks.
* Key consumer inflation data for November is due at 8:30 a.m. ET, while the Fed's statement is due at 2:00 p.m. ET and will be followed by a press conference by Fed Chair Janet Yellen.
* FedEx shares fell 2.8 percent in light premarket trading after the package delivery company posted quarterly results.
* Joy Global could be under pressure after the mining equipment maker, which gets more than 60 percent of its revenue from coal miners, reported a 4 percent fall in quarterly revenue as customers cut production.
(Reporting by Rodrigo Campos; Editing by Chizu Nomiyama)