Tetra Tech, Inc. (NasdaqGS:TTEK) is looking for acquisitions. Tetra Tech announced that its Board of Directors has authorized an additional $400 million share repurchase program, which is twice the size of the previous authorization. 'The newly authorized share repurchase program reflects confidence in our long-term growth outlook and our commitment to a balanced capital allocation strategy,' said Dan Batrack, Tetra Tech Chairman and Chief Executive Officer. 'The strength of our balance sheet and strong consistent cash flow generation will allow us to continue investing in both organic growth initiatives and strategic acquisitions while having greater capacity to return more capital to shareholders'.