US Cash Crude-Grades firm on second day of volatile cash roll period July 24 (Reuters) - U.S. coastal grades strengthened slightly on Wednesday, dealers said, the second day of the cash roll period that traders use to manage their exposure. Mars Sour WTC-MRS gained 5 cents, while WTI Midland WTC-WTM gained 15 cents. Traders use the three-day roll period to adjust their slates and square positions, resulting in more volatile trading.

UPDATE 1-Cenovus shuts units at refinery in Toledo, Ohio, WoodMac says Rewrites throughout By Nicole Jao NEW YORK, July 24 (Reuters) - Cenovus Energy CVE.TO shut two units at its 160 ,000- barrel-per-day (bpd) refinery in Toledo, Ohio, earlier this week, energy research and consultancy firm Wood Mackenzie said on Wednesday. Production at the refinery's 55,000-bpd fluidic catalytic cracker (FCC) and the smaller of its two cokers were affected, it said, without giving a reason for the shutdowns.

QatarEnergy to take part in offshore Chevron-operated Suriname block DUBAI, July 18 (Reuters) - QatarEnergy has signed a deal to acquire a 20% interest in a production sharing contract for an offshore block in Suriname, it said on Thursday, boosting its participation in the nascent oil-producing country. Chevron CVX.N , the operator of Suriname's offshore block 5, will retain a 40% interest, while Paradise Oil Company, an affiliate of Suriname's state oil firm Staatsolie, will own the remaining

RPT-BREAKINGVIEWS-Solar giant illuminates China's overcapacity bind The author is a Reuters Breakingviews columnist. The opinions expressed are her own. Refiles to add topic codes. By Katrina Hamlin HONG KONG, July 16 (Reuters Breakingviews) - The predicament of solar panel giant Longi Green Energy Technology 601012.SS suggests China risks repeating an investment boom and bust cycle that culminated in the European Union and the United States slapping anti-dumping duties on the world's second-lar

BREAKINGVIEWS-Solar giant illuminates China's overcapacity bind The author is a Reuters Breakingviews columnist. The opinions expressed are her own. Refiles to add topic codes. By Katrina Hamlin HONG KONG, July 16 (Reuters Breakingviews) - The predicament of solar panel giant Longi Green Energy Technology 601012.SS suggests China risks repeating an investment boom and bust cycle that culminated in the European Union and the United States slapping anti-dumping duties on the world's second-largest