The U.S. dollar slid on Wednesday while Wall Street stocks rose in volatile afternoon trading after the Federal Reserve signalled it may wait until late this year to raise interest rates.

U.S. stocks rose on Tuesday following back-to-back daily declines, with merger activity more than offsetting market concerns as Greece struggles to avoid a default on its debt.

Citigroup Inc (C.N) and rivals in the commodity trade finance sector are facing headwinds of weak oil prices, sanctions on Russia and stiff competition, which have pressured fees.

European shares hit a near four-month low and yields on lower-rated euro zone sovereign debt climbed to their highest point since November, as financial markets braced for the possibility of Greece defaulting on its debt.

Stocks fell on Wall Street on Monday as investors fretted over the consequences of a possible debt default by Greece, but talk of multi-billion dollar healthcare deals buoyed shares in the sector, cutting into the market's loss.

Senior executives of listed firms in China have stepped up the pace at which they are selling shares in their own companies, suggesting they may have doubts about whether their stock prices can go much higher.

Every day hundreds of garment traders alight at the newly-built Humen station to ply their wares in the southern Chinese city of Dongguan, arriving on high speed trains that whoosh through the terminal every ten minutes.

One has been closely involved with the family business from his early 20s and is driven to succeed. The other had to be lured back from a decade's hiatus from the company and has operated at the edges of the empire.

U.S. stocks fell on Friday as Greek debt talks hit a stalemate and as concern over how soon the Federal Reserve might raise interest rates kept investors cautious.

Wall Street was set to open lower as optimism regarding a resolution of the Greek debt crisis faded with the International Monetary Fund pulling out of bailout talks.