1.   Chen has reason for optimism these days, having captained one of the most dramatic turnarounds in recent software history.

2.   Still, a rebound in Treasuries over the past couple of days buoyed optimism among some investors that yields may have peaked.

3.   Still, neuro labs are filled with an unmistakable air of optimism these days.

4.   While industry leaders maintain it is too soon to assess the new administration, they are brimming with optimism these days.