Sitting on $1 trillion in cash and emerging from years of caution, European companies are now showing the strongest year-on-year growth in capital spending plans in the world.The revival is another sign of renewed optimism in the region and will be relief to investors looking to capture rebounding growth.European firms, weighed down by sovereign debt crises, sluggish earnings and political uncertainties, hunkered down and put spending plans on hold over the past few years.Sitting on $1 trillion in cash and emerging from years of caution, European companies are now showing the strongest year-on-year growth in capital spending plans in the world.The revival is another sign of renewed optimism in the region and will be relief to investors looking to capture rebounding growth.European firms, weighed down by sovereign debt crises, sluggish earnings and political uncertainties, hunkered down and put spending plans on hold over the past few years.