Serkan Toto, a games industry consultant at Tokyo-based Kantan Games, said the Switch was "now in the middle of its lifecycle", but was optimistic for its future
Microsoft does not earn any profit on sales of Xbox consoles alone, according to a Microsoft executive during the Epic Games v. Apple trial on Wednesday.
The benchmark Nikkei 225 index, which jumped 16 percent last year, lost 0.68 percent, or 185.79 points, to 27,258.38, while the broader Topix index was down 0.56 percent, or 10.09 points, to 1,794.59.
"The global economy in 2021 should move gradually toward normalisation... With excessive liquidity, the market's upward momentum should strengthen further," the brokerage said.
However, Toyota Motor rose 4.4% as investors welcomed the revamp of its Mirai hydrogen fuel cell car, at a time when the government has stepped up measures to cut carbon emissions.