The total number of workers who participated, about 485,000, was the highest since 1986, when 533,000 workers walked out.
Traditional strikes focused on health care, hotels, and teacher pay, with the underlying factors being an improving economy and the corporate tax cut.
New wave or blip? Successful strikes can breed other strikes, but with the 2020 election likely to consume significant union resources, strike activity could return to its previous lows. Yet, as demonstrated by the Google walk-out, union involvement may not always be a factor.