Walter Todd III, president and chief investment officer at Greenwood Capital provided a 2018 economic forecast Friday. ADAM BENSON | INDEX-JOURNAL Be smart, but be creative too. That’s the advice financial advisers have for people looking to diversify, re-calibrate or expand their 2018 investment portfolios. Officials forecast a brisk economy against the backdrop of a strong stock market and massive federal tax reform. “In some ways, this market reminds me of the period from