Stock index futures rose on Monday, putting a Wall Street rebound on track after three days of losses, although investors remained cautious about Greece's fiscal future.

* The country's parliament will begin to debate a deeply unpopular austerity plan that the European Union and International Monetary Fund say needs to be approved in exchange for the fifth tranche of Greece's 110 billion euros bailout program. A Greek minister warned of catastrophe if the measure was blocked.

* Traders see a Greek default as unlikely, and the S&P holding its 200-day moving average was viewed as a sign of technical support following two months of heavy selling that brought the index down about 7 percent.

* Investors looked ahead to May's reading of the Chicago Fed Midwest manufacturing index, personal income and core PCE numbers, all due at 8:30 a.m. EDT <1230 GMT>. A strong manufacturing number could allay persistent fears about slowing global demand.

* Companies scheduled to report quarterly results on Monday include Nike Inc .

* S&P 500 futures rose 2.9 points and were above fair value, a formula that evaluates pricing by taking into account interest rates, dividends and time to expiration on the contract. Dow Jones industrial average futures added 24 points and Nasdaq 100 futures put on 7.75 points.

* Tobacco giant Philip Morris International Inc
threatened to sue the Australian government over its plan to be the first country to introduce plain, brand-less packaging for cigarettes.

* A new type of diabetes pill being developed by Bristol-Myers Squibb Co and AstraZeneca Plc was effective in a two-year study but more bladder and breast cancers was found in patients treated with the drug.

* Citigroup Inc told government officials that the 3,400 customers whose credit card information was hacked suffered about $2.7 million in losses, the Wall Street Journal reported.

* Small-cap tech stocks could be the new value names following the annual adjustment to the Russell indexes Friday.

* Wall Street dropped for a third day Friday on worries about the Italian banking sector and Greece's debt crisis, but the S&P held its 200-day moving average, a sign buyers continued to see value.

(Editing by Jeffrey Benkoe)