Communication Services stocks
21 S&P 500 and Nasdaq-100 companies · end-of-day data as of Oct 16, 2026
The largest Communication Services companies by market capitalization on Oct 16, 2026: Alphabet (GOOGL) $4.14T, Alphabet (GOOG) $4.12T and Meta Platforms (META) $1.81T.
Biggest stock losers today
| 20D | |||||||
|---|---|---|---|---|---|---|---|
| 1 | $6.91 | -4.8% | -58.6% | — | $7.55B | ||
| 2 |  | $709.33 | -3.7% | -8.8% | 26.7 | $1.81T | |
| 3 |  | $70.53 | -2.9% | -43.2% | 22.2 | $294B | |
| 4 |  | $340.59 | -2.5% | -15.3% | 17.1 | $4.14T | |
| 5 |  | $336.91 | -2.3% | -15.5% | 16.9 | $4.12T |
Data as of Oct 16, 2026 close.
Biggest stock gainers today
| 20D | |||||||
|---|---|---|---|---|---|---|---|
| 1 |  | $159.10 | +1.3% | -29.4% | 16.7 | $171B | |
| 2 |  | $44.79 | +0.9% | -11.6% | 11.7 | $186B | |
| 3 |  | $21.90 | +0.6% | -29.8% | 7.1 | $77.51B | |
| 4 |  | $64.15 | +0.3% | -15.3% | 16.7 | $27.05B | |
| 5 |  | $57.22 | +0.1% | -15.1% | 14.9 | $25.48B |
Data as of Oct 16, 2026 close.
Stocks at 52-week lows
| 20D | |||||||
|---|---|---|---|---|---|---|---|
| 1 |  | $175.50 | -0.3% | -21.0% | 60.5 | $12.83B | |
| 2 | $6.91 | -4.8% | -58.6% | — | $7.55B |
Data as of Oct 16, 2026 close.
Stocks at 52-week highs
No companies match this list today.
Undervalued stocks
| 20D | |||||||
|---|---|---|---|---|---|---|---|
| 1 |  | $110.11 | +0.1% | +75.6% | 2.9 | $14.84B | |
| 2 | | $159.10 | +1.3% | +47.4% | 16.7 | $171B | |
| 3 | | $57.22 | +0.1% | +40.9% | 14.9 | $25.48B | |
| 4 | | $21.90 | +0.6% | +26.6% | 7.1 | $77.51B | |
| 5 | | $340.59 | -2.5% | +24.9% | 17.1 | $4.14T |
Data as of Oct 16, 2026 close.
Stocks insiders are buying
No companies match this list today.
Most active stocks today
| 20D | |||||||
|---|---|---|---|---|---|---|---|
| 1 | | $709.33 | -3.7% | 0.9× | 26.7 | $1.81T | |
| 2 | | $340.59 | -2.5% | 1.1× | 17.1 | $4.14T | |
| 3 | | $336.91 | -2.3% | 1.0× | 16.9 | $4.12T | |
| 4 | | $70.53 | -2.9% | 1.3× | 22.2 | $294B | |
| 5 |  | $23.44 | -0.3% | 1.2× | 7.8 | $161B |
Data as of Oct 16, 2026 close.
All Communication Services stocks
| 20D | |||||||
|---|---|---|---|---|---|---|---|
| 1 | | $340.59 | -2.5% | -15.3% | 17.1 | $4.14T | |
| 2 | | $336.91 | -2.3% | -15.5% | 16.9 | $4.12T | |
| 3 | | $709.33 | -3.7% | -8.8% | 26.7 | $1.81T | |
| 4 | | $70.53 | -2.9% | -43.2% | 22.2 | $294B | |
| 5 |  | $110.59 | -0.1% | -3.8% | 22.8 | $191B | |
| 6 | | $44.79 | +0.9% | -11.6% | 11.7 | $186B | |
| 7 | | $159.10 | +1.3% | -29.4% | 16.7 | $171B | |
| 8 | | $23.44 | -0.3% | -16.6% | 7.8 | $161B | |
| 9 |  | $189.15 | -2.0% | -29.1% | 99.0 | $81.96B | |
| 10 | | $21.90 | +0.6% | -29.8% | 7.1 | $77.51B | |
| 11 |  | $170.51 | -1.2% | -9.5% | — | $39.72B | |
| 12 |  | $156.14 | -2.0% | -39.7% | 36.3 | $30.02B | |
| 13 | | $64.15 | +0.3% | -15.3% | 16.7 | $27.05B | |
| 14 | | $57.22 | +0.1% | -15.1% | 14.9 | $25.48B | |
| 15 |  | $80.56 | -0.2% | -8.5% | 43.5 | $22.1B | |
| 16 |  | $32.88 | -0.5% | -6.6% | 31.9 | $17.71B | |
| 17 |  | $30.03 | -0.6% | -3.4% | 29.2 | $16.76B | |
| 18 | | $110.11 | +0.1% | -56.9% | 2.9 | $14.84B | |
| 19 |  | $85.37 | -1.7% | -39.8% | — | $13.53B | |
| 20 | | $175.50 | -0.3% | -21.0% | 60.5 | $12.83B |
Data as of Oct 16, 2026 close.