A chart on America’s Top 10 companies by market cap in the past 100 years. Key takeaway: As the economy changes, once market leaders were quickly de-positioned by new players who were ready and willing to adapt to new customer needs. IBM overtaken by the likes of Apple and Google. Sears is closing more brick and mortar stores as Amazon expands its ecommerce machine. Today, the concentration of top companies are from the tech sector. What are your predictions of top companies and industry in the next 50 years? Share your thoughts below. Photo Credit: HowMuch & Forbes …see more