"I don't know what to do - hold and hope Sears and Goodyear will turn around or get out now and go for something else like SPY or QQQ?"Do some background reading on S and GT. Find out what they are doing and who's in charge. Look at analysts' projections and at the companies' fundamentals. Look at their histories of making and losing money. Are they getting better or worse? Can they adapt to changing environments? Are they trying to overcome their problems? Do they show good judgment, or have they just been lucky for the past 70 or so years? Have they now run out of ideas?Now compare the results of your research to those of your newer prospects. Do they know what they're doing, or are they just riding the wave? Try this: Imagine that there's a sudden selloff, and the market shrinks by 30% in a couple of days. Who would you rather be holding? If you don't want to do the homework and the thinking, invest mechanically. If you don't want to invest mechanically, do the homework and the thinking.And if you don't want to do any of that stuff, buy a one-year CD.