Probably Cosmos' major shareholders still declined to hand over management control to GE.
The buyback is a big boost for investor confidence in the stock. The move will also lift United Microelectronics' per-share earnings going forward.
Microsoft's move is a blow to all personal computer- related shares because it might weaken the companies' margin growth as new products usually have higher margins.
The decline in the oil price is certainly a load off for investors as well as manufacturers in Asia.
Worrying that a catastrophe will hit earth tomorrow is a constant worry for some, but that shouldn't be an issue when it comes to investment. You can't be fully prepared for unforeseeable events.
Investors can't forget the nightmare that resulted from surging oil prices in the past.