@Brand X,
Ok, maybe you are ignorant to campaign donations.
1) companies CANNOT donate directly to candidates
2) the numbers reported by opensecrets.org are total of individual donations grouped by the sector that people work in (which is self-reported and is a field on every donation you make)
3) the maximum donation allowed per person by law is $2,700 for the primary campaign
Now, what that means is that IF every donation from the financial industry was for the maximum amount of $2,700 then that still means that 10,000 CITIZENS OF THE UNITED STATES donated to her campaign. ($27MM/$2700 = 10,000).
There is no 'may' about it.
If it's not individuals, then tell me who is donating money to her campaign?