The phrase "gaining share from" is correct and usable in written English, and it is typically used to refer to gaining a portion or share of something from another source.
For example: "The company has been steadily gaining share from its competitors in recent years."
It also expects Chinese OEMs to continue to gain share this year, noting they are well positioned to serve emerging market demand for mid-range and low-end smartphones thanks to manufacturing cost advantages.
A handful Subaru of Japan, Hyundai and Kia of Korea are even selling more vehicles than last year and gaining share.
eMarketer predicts that Google's Android platform will continue to gain share through 2012, with 31% of all smartphone users owning an Android-powered handset (up from 6% in 2009).
Renault said the market had improved over the year after a poor start, helped by government cash-for-clunkers programs, and said it gained share in 11 of its 15 largest markets.
Samantha Cameron has worked at the luxury stationery group Smythson since the 1990s, gaining shares in the company as part of her role as creative director.
Such service could be critical to gaining market share this week as last-minute shoppers look to avoid fighting other customers while they select items.
Dell has been relentless about gaining market share this year, lowering the boom on PC prices at the expense of a few margin points.
GE Appliances gained market share last year, but its overall revenue was still off from the 1999 level.
After all, G.M. and Ford actually gained market share last month, while Honda, Nissan and Volkswagen all lost share because their sales gains were not as drastic as Ford's and G.M.'s, according to Autodata of Woodcliff Lake, N.J.
