After a quiet year of investment sales, buyers are preparing to forge ahead with acquisitions in 2010. Two-thirds of investors (65%) who responded to the 6th Annual Investment Survey plan to boost their investment in commercial real estate over the next 12 months. That fi gure is up from 56% in the third quarter and 51% a year ago. The exclusive survey is produced jointly by National Real Estate Investor and Marcus & Millichap.