Stocks are set to end the week little changed as continued concerns over oil prices and Greece -- along with weaker than expected durable goods data -- kept a lid on shares. MACRO NEWS: Oil prices remained elevated, as investors continued to worry that supply could be interrupted by a conflict involving Iran... The Greece overhang on the market remained in place, as euro zone finance ministers postponed releasing a large portion of the bailout funds earmarked for the troubled country... The government reported that durable goods orders sank 4% in January, versus the consensus estimate of a 0.7% decline. COMPANY NEWS: Apple (AAPL) invited the media to an event on March 7. The company is widely expected to unveil the next generation of its iPad tablet at the event... Macy's (M), Target (TGT), and Gap (GPS) all reported February comps that were seen as strong by most investors... The shares of Internet review company Yelp (YELP) began trading today following its IPO, and rallied over 60% in mid-afternoon trading.