2019-10-08: Shares of several semiconductor companies are trading lower as optimism around the upcoming U.S.-China trade talks waned. A report says China is toning down its expectations of the meeting. The U.S. expanded its trade blacklist, and scheduled an increase in tariffs on $250 billion worth of Chinese goods from 25% to 30% on Oct. 15, which will go into effect if no progress is made.. 20 Technology Stocks Moving In Tuesday's Pre-Market Session