Ticker: ETFC Sector: Financials Market cap: $17 billion Expected decline in shares outstanding through 2019: 12%Ticker: RF Sector: Financials Market cap: $22 billion Expected decline in shares outstanding through 2019: 12%Ticker: SYF Sector: Financials Market cap: $27 billion Expected decline in shares outstanding through 2019: 12%Ticker: AVGO Sector: Information technology Market cap: $99 billion Expected decline in shares outstanding through 2019: 12%Ticker: CSX Sector: Industrials Market cap: $56 billion Expected decline in shares outstanding through 2019: 13%Ticker: C Sector: Financials Market cap: $179 billion Expected decline in shares outstanding through 2019: 13%Ticker: NTAP Sector: Information technology Market cap: $18 billion Expected decline in shares outstanding through 2019: 13%Ticker: AMAT Sector: Information technology Market cap: $53 billion Expected decline in shares outstanding through 2019: 13%Ticker: BEN Sector: Financials Market cap: $18 billion Expected decline in shares outstanding through 2019: 13%Ticker: CHTR Sector: Consumer discretionary Market cap: $65 billion Expected decline in shares outstanding through 2019: 13%Ticker: KR Sector: Consumer staples Market cap: $20 billion Expected decline in shares outstanding through 2019: 14%Ticker: JNPR Sector: Information technology Market cap: $10 billion Expected decline in shares outstanding through 2019: 16%Ticker: AAPL Sector: Information technology Market cap: $926 billion Expected decline in shares outstanding through 2019: 18%Companies are spending a record amount to boost their stock prices — but Goldman Sachs warns they'll soon have to find a new way to keep shares afloat