The phrase "a positive catalyst" is correct and usable in written English.
It can be used to describe something or someone that brings about beneficial change or encourages progress in a situation.
Example: "The new policy served as a positive catalyst for innovation within the company."
Alternatives: "a beneficial influence" or "a constructive force".
"We would see this as a positive catalyst," Mr. Peace said of the Basel III rules.
He said Intrado's recent contract renewal with BellSouth through July 2010 was a "positive catalyst" for the stock.
We expect M&A to become an increasingly important theme for the sector and could provide a positive catalyst.
Instead of being the distraction I feared, they also served as a positive catalyst to some children.
While the group has made impressive organic progress here, the potential for a step change through an acquisition would be a positive catalyst for the stock.
Thomas Dorner, an analyst at Oriel Securities, said: "We expect M&A to become an increasingly important theme for the sector and could provide a positive catalyst.
"We expect Tokyo's success in bidding for the Olympics to become a very positive catalyst" for Japanese stocks, Hiromichi Tamura, a strategist at Nomura, said in a note to clients.
A possible positive catalyst: In March the company agreed to a deal with Global Crossing to provide Internet access via wire and wireless in tens of thousands of locations around the world.
In a note focused on the 2010 outlook for small- and midcap stocks, Calvasina points to M&A as a potential positive catalyst, citing pent-up strategic demand, strong balance sheets and high cash levels.
"To the extent that the funding markets have improved very significantly, this is a story where the company can refinance high-cost debt and, if the funding markets remain stable, it could be a potentially positive catalyst for the shares".
"While the company maintained that it has no plans to exit its relationships with Suzuki and Isuzu, we see little rationale for continuing with them and would view the FHI disposal as a mildly positive catalyst," it said.
