Benzinga's Volume Movers

shares climbed 27.61 percent to $11.51. The volume of Hydrogenics shares traded was 1406 percent higher than normal. Hydrogenics reported a 10 year exclusive agreement, to supply Alstom Transport with hydrogen fuel cell systems for European regional commuter trains.

surged 1.63 percent to $67.31. The volume of Ryanair Holdings shares traded 595 percent higher than normal. Imperial Capital downgraded Ryanair Holdings from Outperform to In-Line and lowered the price target from $85 to $70.

shares moved up 11.47 percent to $95.34. The volume of Tiffany traded was 452 percent higher than normal. Tiffany reported stronger-than-expected results for the first quarter on Wednesday.

shares rose 1.14 percent to $72.94. The volume of Lorillard shares traded was 291 percent higher than normal. Lorillard shares have jumped 22.55 percent over the past 52 weeks, while the S&P 500 index has gained 10.18 percent in the same period.