The distribution unit of Taiwa's Acer group plans to merge with Yosun Industrial Corp. (2403.TW: Quote, Profile, Research), a distributor of electronics components, a Yosun spokesman said on Wednesday. Details of the tie-up will be disclosed at a news conference at around 0830 GMT, the spokesman said. On Wednesday, shares of Yosun surged by their daily limit of 6.93 percent to T$23.15 and those of Acer Inc. (2353.TW: Quote, Profile, Research), the flagship firm of the Acer group, fell 0.47 percent to T$64.10. Taiwan's main TAIEX (.TWII: Quote, Profile, Research) dropped 0.73 percent. (US$1=T$33.0)