Investors waiting to see if bull market wobbles get more pronounced

A ROARING first half of the year for stocks ended with a whimper as traders grew concerned about the sustainability of the bull market.

Those concerns are likely to linger this week and stocks could lose more ground unless the June jobs report contains positive - or negative - surprises.

Investor confidence in the stock market, the economy, and the Republicans' ability to get anything done has clearly been shaken. Last week, the US dollar hit its lowest mark since October against a basket of currencies.

It was long assumed that the Federal Reserve was far ahead of other developed nations' central banks in its plans for raising interest rates, thanks to a comparatively strong growth …