KEY POINTS
  • Goldman Sachs equity strategist David Kostin suggests one of the best "Trump trades" has been in shares of large companies with exposure to small- and medium-sized businesses.
  • The S&P 500 has added 21 percent since the election, making the "Trump rally" the fourth-best 12-month gain following a presidential election since 1936, according to Kostin.
  • Much of the confidence felt by small firms has been credited to expectations of tax reform and deregulation, issues then-candidate Trump made central to his campaign.
Donald Trump

Soaring small-business optimism is translating into big gains for larger, publicly traded companies as Main Street hopes for even more deregulation and hotly anticipated tax reform, Goldman Sachs said.

Shares of big companies that get their revenue from small businesses have rallied 38 percent since the election, while "the Russell 2000 small-cap index has matched the performance of large caps," wrote David Kostin, Goldman's chief equity strategist, in a note to clients. "Small business owners have been thrilled at the prospect of deregulation under the Trump administration."