With the S&P 500 and Nasdaq still near record highs now may be a good time to scope out utility stocks which can serve as defensive investments in case of an eventual correction. Seeing as their services have consistent and stable demand, it's noteworthy that three utility stocks were added to the Zacks Rank #1 (Strong Buy) list over the last week. We'll start with National Fuel Gas Company, an integrated energy company with natural gas assets in the prolific Appalachian basin along with oil-producing asset ...