Fed's Yellen says hasn't made any decisions about her future

Additional headlines keep crossing the wires, via Reuters, from Fed's Chairwoman, Janet Yellen, as she continues to speak in a Q&A session after central bank's interest rate decision:

• Says intends to serve out term as chair of Fed
• Says might or might not be reappointed
• Says hasn't made any decisions about the future, recognizes that she may or may not be reappointed
• Deciding whether to stay as board member if not reappointed as chair would be a decision for another day
• Stock prices may have been boosted by tax policy expectations
• Says won't offer view as to whether stock valuations are appropriate
• Rates of return in stock market are within normal ranges