Year to date (YTD), SLB (SLB) has experienced a 29.9% decline, significantly underperforming the industry’s overall fall of 8.6%. The reduced demand for SLB's products and services due to a slowdown in both North American and international drilling activities has adversely impacted its offerings, such as well placement optimization and drilling efficiency solutions. These are some of the key reasons for the company’s underperformance in the stock market.YTD Price Chart Image Source: Zacks Investment Researc ...