Jan 21 (Reuters) - Canada's main stock index futures rose on Tuesday, with help from the Chinese central bank's 255 billion yuan injection into the market that calmed investor worries about a credit crunch in its economy.
* China's central bank moved to head off another destabilising cash squeeze with a big injection of cash - flagged in advance in a surprising act of transparency to relieve anxious markets.
* Halliburton Co reported a 31 percent rise in quarterly profit as the world's second-largest oilfield services company's push into global markets more than made up for weakness in North America.
* U.S. insurer Travelers Cos Inc reported a much better-than-expected three-fold rise in quarterly profit as the company earned higher premiums and disaster losses declined.
* Baker Hughes Inc, the world's third-largest oilfield services company, reported a slightly higher-than-expected quarterly profit, helped by a rise in revenue from the Middle East and Africa.
* Fertilizer company Agrium Inc said its fourth-quarter earnings from continuing operations will be at the lower end of its guidance due to lower sales prices.
* Canada stock futures traded up 0.06 percent
* U.S. stock futures , , were up around 0.33 percent and 0.48 percent
* European shares, were up
COMMODITY PRICE MOVES
* Thomson Reuters-Jefferies CRB Index : 278.8854; fell 0.04 percent
* Gold futures : $1,248.2; fell 0.28 percent
* US crude : $94.61; rose 0.25 percent
* Brent crude : $107.68; rose 1.25 percent
* LME 3-month copper : $7,280.8; fell 0.45 percent
Following is a summary of research actions on Canadian companies reported by Reuters.
* Raging River Exploration Inc : CIBC raises price target to C$9.75 from C$8.25, based on better-than-expected production results, sees the company as one of the most attractive in the space
* Strategic Oil and Gas Ltd : CIBC cuts price target to C$0.65 from C$0.95 citing the company's lower-than-expected fourth-quarter production figures and its lower 2014 volume outlook, says it has yet to deliver consistent results out of its key growth play
ON THE CALENDAR
* Major Canadian economic data includes manufacturing sales and wholesale trade
* No major U.S. events and data scheduled for release
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